CVE-2021-33195

high

Description

Go before 1.15.13 and 1.16.x before 1.16.5 has functions for DNS lookups that do not validate replies from DNS servers, and thus a return value may contain an unsafe injection (e.g., XSS) that does not conform to the RFC1035 format.

References

Advisories
More

https://security.netapp.com/advisory/ntap-20210902-0005/

https://security.gentoo.org/glsa/202208-02

https://groups.google.com/g/golang-announce

https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-19908

Details

Source: Mitre, NVD

Published: 2021-08-02

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 7.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L